10838440 has 16 divisors (see below), whose sum is σ = 24386580. Its totient is φ = 4335360.

The previous prime is 10838413. The next prime is 10838441. The reversal of 10838440 is 4483801.

It can be written as a sum of positive squares in 2 ways, for example, as 10201636 + 636804 = 3194^2 + 798^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10838399 and 10838408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10838441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135441 + ... + 135520.

Almost surely, 2^10838440 is an apocalyptic number.

10838440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10838440 is an abundant number, since it is smaller than the sum of its proper divisors (13548140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10838440 is a wasteful number, since it uses less digits than its factorization.

10838440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270972 (or 270968 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 10838440 is about 3292.1786099785. The cubic root of 10838440 is about 221.3038278599.

The spelling of 10838440 in words is "ten million, eight hundred thirty-eight thousand, four hundred forty".